Home / 45,415.50-68,123.62-15,833.28

Finding the Fourth Proportional to 45,415.50, 68,123.62 and 15,833.28

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Solution

The fourth proportional to 45,415.50, 68,123.62 and 15,833.28 is: 23,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.50 : 68,123.62 = 15,833.28 : x
  2. Step 2: Convert to fraction form
    45,415.50/68,123.62 = 15,833.28/x
  3. Step 3: Cross multiply
    45,415.50x = 68,123.62 × 15,833.28
  4. Step 4: Simplify right side
    45,415.50x = 1,078,620,350.07
  5. Step 5: Solve for x
    x = 1,078,620,350.07/45,415.50
  6. Step 6: Final answer
    x = 23,750.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.